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Special Features
For RS-422
Single projector
z
RS-232C IN RS-422 IN
RS-422 OUT
SERIAL
PC
D-Sub 9-pin (male)
Communication cable (straight)
Connection
terminals on
projector
D-Sub 9-pin (female)
Multiple projectors
z
RS-232C IN RS-422 IN
RS-422 OUT
SERIAL
RS-232C IN RS-422 IN
RS-422 OUT
SERIAL
PC
Connection
terminals on
projector 1
Connection
terminals on
projector 2
Communication cable (straight) Communication cable (straight)
D-Sub 9-pin (male) D-Sub 9-pin (female) D-Sub 9-pin (male)
D-Sub 9-pin
(male)
D-Sub 9-pin
(male)
D-Sub 9-pin (female) D-Sub 9-pin (female)
Pin assignments and signal names
Pin
No.
Signal
name
Description
1
NC
2
TXD(-) Data transmit terminal (-)
3
RXD(+) Data receive terminal (+)
4
Connected internally
5
NC
6
Connected internally
7
TXD(+)
Data transmit terminal (+)
8
RXD(-) Data receive terminal (-)
9
FG GND
D-Sub 9-pin
(female), external
appearance
Serial input
terminal
Pin
No.
Signal
name
Description
1
NC
2
RXD(-) Data receive terminal (-)
3
TXD(+)
Data transmit terminal (+)
4
Connected internally
5
NC
6
Connected internally
7
RXD(+) Data receive terminal (+)
8
TXD(-) Data transmit terminal (-)
9
FG GND
D-Sub 9-pin
(male), external
appearance
Serial input
terminal
Communication conditions (Factory setting)
Signal level RS-422-compliant
Synchronization method Start-stop synchronization
Baud rate 9 600bps
Parity None
Character length 8 bits
Stop bit 1 bit
X parameter None
S parameter None